n.用滚轮溜冰( roller-skate的名词复数 );
例句:
A middle-aged woman passed along the street on roller skates.
一位中年妇女穿着旱冰鞋穿过了街道.
Interviewer : Why do the actors wear roller-skates?
为什么演员都穿辊 - 冰鞋?
These are men's ( boys') roller skates.
这是双男用的溜冰鞋.